Akane desperately wants a child, but her overworked husband Masaki has little interest in sex or trying for a baby. A friend tells her about Odagiri, a man on social media who advertises himself as someone who impregnates women. Unable to suppress her curiosity and desire for motherhood, Akane sends him a direct message and arranges a meeting. Their encounter soon turns sexual, putting her marriage and the child's paternity at risk.